APA (7th ed.) Citation

Yabes, L. Y. (1977). English in the next twenty years. U. P. Press.

Chicago Style (17th ed.) Citation

Yabes, Leopoldo Y. English in the Next Twenty Years. Q. C: U. P. Press, 1977.

MLA (9th ed.) Citation

Yabes, Leopoldo Y. English in the Next Twenty Years. U. P. Press, 1977.